asdic

asdic

(ˈæzdɪk) n (Electronics) an early form of sonar[C20: from A(nti-)S(ubmarine) D(etection) I(nvestigation) C(ommittee)]

so•nar

(ˈsoʊ nɑr)

n. 1. a method for detecting and locating objects submerged in water by echolocation. 2. the apparatus used in sonar. [1940–45; so(und)na(vigation)r(anging)]

Thesaurus

Noun

1.

asdic - a measuring instrument that sends out an acoustic pulse in water and measures distances in terms of the time for the echo of the pulse to return; "sonar is an acronym for sound navigation ranging"; "asdic is an acronym for antisubmarine detection investigation committee"echo sounder, sonarmeasuring device, measuring instrument, measuring system - instrument that shows the extent or amount or quantity or degree of somethingnavigational instrument - an instrument used for navigatingpinger - a pulse generator used for echo sounding in sonarpulse generator - a generator of single or multiple voltage pulses; usually adjustable for pulse ratepigboat, submarine, U-boat, sub - a submersible warship usually armed with torpedoes

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